@charset "UTF-8";
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
.seo-site {
  --seo-card: #101819;
  --seo-raised: #152022;
  --seo-muted: #a3b2b7;
  --seo-line: #273438;
  --seo-soft: rgba(0, 200, 99, .08);
  --seo-gradient: linear-gradient(110deg, #00c863, #00bbce);
  margin: 0;
  background: var(--main-color, #000);
  color: var(--main-color-2, #fff);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.7;
}
html.light .seo-site {
  --primary-color: #087c46;
  --seo-card: #fff;
  --seo-raised: #f2f7f6;
  --seo-muted: #56666c;
  --seo-line: #dbe5e2;
  --seo-soft: rgba(0, 174, 92, .06);
}
.seo-site *, .seo-site *::before, .seo-site *::after { box-sizing: border-box; }
.seo-site a { color: inherit; text-decoration: none; }
.seo-site a:hover { color: var(--primary-color); }
.seo-site button { font: inherit; cursor: pointer; }
.seo-site a:focus-visible, .seo-site button:focus-visible { outline: 2px solid var(--primary-color); outline-offset: 5px; }
.seo-site .skip-link { position: fixed; top: -100px; left: 20px; z-index: 110; padding: 10px 20px; background: var(--main-color); }
.seo-site .skip-link:focus { top: 10px; }
.seo-site .preview-bar { padding: 4px 16px; text-align: center; color: var(--seo-muted); background: var(--seo-card); font-size: 11px; border-bottom: 1px solid var(--seo-line); }
.seo-site .site-header { height: 64px; position: sticky; top: 0; z-index: 100; display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 0 34px; border-bottom: 1px solid var(--seo-line); background: rgba(0, 0, 0, .85); backdrop-filter: blur(12px); }
html.light .seo-site .site-header { background: rgba(255, 255, 255, .9); }
.seo-site .brand { display: flex; align-items: center; gap: 9px; flex-shrink: 0; font-size: 22px; font-weight: 550; white-space: nowrap; }
.seo-site .brand img { width: 43px; height: 43px; object-fit: contain; }
.seo-site .site-nav { display: flex; align-items: center; gap: 30px; color: var(--seo-muted); white-space: nowrap; }
.seo-site .site-nav .active { color: var(--primary-color); font-weight: 600; }
.seo-site .header-actions { display: flex; align-items: center; gap: 18px; }
.seo-site .theme-toggle { border: 0; background: transparent; color: var(--seo-muted); width: 32px; height: 36px; font-size: 24px; line-height: 1; }
.seo-site .theme-dark, html.light .seo-site .theme-light { display: none; }
html.light .seo-site .theme-dark { display: inline; }
.seo-site .header-cta { padding: 8px 18px; background: var(--seo-gradient); color: #032019; border-radius: 24px; font-weight: 600; white-space: nowrap; }
.seo-site .header-cta:hover { color: #032019; filter: brightness(1.1); }
.seo-site .header-cta span { margin-left: 10px; }
.seo-site .container { width: 100%; max-width: 1248px; padding: 0 40px; margin: 0 auto; }
.seo-site .hero { position: relative; text-align: center; padding: 70px 24px 64px; isolation: isolate; }
.seo-site .hero::before { content: ""; position: absolute; inset: 0 -40px; z-index: -1; pointer-events: none; background: radial-gradient(ellipse at 32% 30%, rgba(0, 200, 99, .12), transparent 58%), radial-gradient(ellipse at 74% 35%, rgba(0, 187, 206, .1), transparent 52%); }
.seo-site .eyebrow { color: var(--primary-color); font-size: 12px; font-weight: 500; letter-spacing: 1px; margin: 0 0 14px; }
.seo-site .hero .eyebrow { display: inline-block; padding: 5px 16px; border: 1px solid rgba(0, 200, 99, .3); background: var(--seo-soft); border-radius: 30px; }
.seo-site .hero h1 { font-size: clamp(32px, 4.6vw, 54px); line-height: 1.4; font-weight: 700; margin: 6px 0 20px; }
.seo-site .hero h1 span { color: #00c892; background: var(--seo-gradient); background-clip: text; -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.seo-site .hero > div > p:not(.eyebrow) { color: var(--seo-muted); font-size: 15px; margin: 0; }
.seo-site .hero-actions { display: flex; align-items: center; justify-content: center; gap: 14px; margin-top: 28px; }
.seo-site .primary, .seo-site .secondary { display: inline-block; border-radius: 8px; padding: 11px 24px; font-size: 14px; font-weight: 600; }
.seo-site .primary { background: var(--seo-gradient); color: #032019; }
.seo-site .primary:hover { color: #032019; filter: brightness(1.1); }
.seo-site .secondary { border: 1px solid var(--seo-line); background: var(--seo-card); }
.seo-site .hero-note { position: absolute; right: 8px; bottom: 58px; text-align: left; border-left: 1px solid var(--seo-line); padding-left: 20px; }
.seo-site .hero-note > span { color: var(--primary-color); font-size: 35px; font-weight: 650; line-height: 1.2; }
.seo-site .hero .hero-note p { font-size: 11px; margin-top: 6px; color: var(--seo-muted); }
.seo-site .section-heading { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 24px 0; border-top: 1px solid var(--seo-line); }
.seo-site .section-heading h2 { font-size: 21px; font-weight: 600; margin: 0; }
.seo-site .section-heading p { color: var(--seo-muted); font-size: 12px; margin: 0; }
.seo-site .card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.seo-site .card { display: flex; flex-direction: column; background: var(--seo-card); border: 1px solid var(--seo-line); border-radius: 12px; overflow: hidden; transition: transform .2s, border-color .2s; min-width: 0; }
.seo-site .card:hover { transform: translateY(-4px); border-color: var(--primary-color); color: inherit; }
.seo-site .card-media { aspect-ratio: 16 / 9; background: var(--seo-raised); overflow: hidden; }
.seo-site .card-media img { width: 100%; height: 100%; object-fit: cover; display: block; }
.seo-site .card-empty, .seo-site .image-empty { display: grid; place-items: center; background: var(--seo-raised); color: var(--seo-muted); font-size: 12px; }
.seo-site .card-empty { width: 100%; height: 100%; border-bottom: 1px solid var(--seo-line); }
.seo-site .card-empty span, .seo-site .image-empty span { opacity: .7; letter-spacing: 2px; }
.seo-site .card-placeholder { height: 100%; display: flex; align-items: center; justify-content: center; gap: 20px; color: var(--seo-muted); }
.seo-site .card-copy { padding: 22px; display: flex; flex-direction: column; flex: 1; }
.seo-site .card-copy .eyebrow { margin-bottom: 10px; font-size: 11px; }
.seo-site .card h2 { font-size: 18px; font-weight: 600; line-height: 1.65; margin: 0 0 12px; }
.seo-site .excerpt { margin: 0 0 20px; font-size: 12px; color: var(--seo-muted); line-height: 1.85; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.seo-site .read-link { display: flex; justify-content: space-between; align-items: center; margin-top: auto; border-top: 1px solid var(--seo-line); padding-top: 14px; font-size: 12px; }
.seo-site .read-link > span { color: var(--primary-color); font-size: 18px; }
.seo-site .pagination { display: flex; justify-content: center; gap: 8px; padding: 42px 0 64px; flex-wrap: wrap; }
.seo-site .pagination a { display: grid; place-items: center; min-width: 36px; height: 36px; border-radius: 6px; border: 1px solid var(--seo-line); background: var(--seo-card); font-size: 12px; }
.seo-site .pagination a[aria-current="page"] { background: var(--primary-color); color: #032019; border-color: var(--primary-color); font-weight: 600; }
html.light .seo-site .pagination a[aria-current="page"] { color: #fff; }
.seo-site .article-top { display: flex; align-items: center; gap: 18px; font-size: 12px; color: var(--seo-muted); padding: 28px 0; }
.seo-site .article-top > span { border-left: 1px solid var(--seo-line); padding-left: 18px; }
.seo-site .reading-layout { display: grid; grid-template-columns: minmax(0, 810px) minmax(180px, 1fr); gap: 48px; padding-bottom: 64px; }
.seo-site .article-header { padding: 12px 0 24px; margin-bottom: 32px; border-bottom: 1px solid var(--seo-line); }
.seo-site .article-header h1 { font-size: clamp(27px, 3vw, 38px); line-height: 1.5; margin: 0 0 20px; font-weight: 650; }
.seo-site .article-meta { font-size: 12px; color: var(--seo-muted); margin: 0; }
.seo-site .prose { font-size: 16px; line-height: 2.05; overflow-wrap: anywhere; }
.seo-site .prose p { margin: 0 0 24px; }
.seo-site .prose h2 { font-size: 24px; font-weight: 600; margin: 36px 0 18px; }
.seo-site .prose h3 { font-size: 19px; margin: 28px 0 14px; }
.seo-site .prose ul, .seo-site .prose ol { margin: 20px 0 26px; padding-left: 26px; }
.seo-site .prose li { margin: 8px 0; }
.seo-site .prose figure { margin: 30px 0; }
.seo-site .prose figure img { display: block; width: 100%; height: auto; border-radius: 10px; }
.seo-site .prose figcaption { font-size: 12px; text-align: center; color: var(--seo-muted); margin-top: 10px; }
.seo-site .image-empty { aspect-ratio: 16 / 9; border: 1px dashed var(--seo-line); border-radius: 10px; }
.seo-site .prompt { margin: 24px 0 30px; background: var(--seo-soft); border: 1px solid rgba(0, 200, 99, .25); border-radius: 10px; overflow: hidden; }
.seo-site .prompt-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 18px; border-bottom: 1px solid rgba(0, 200, 99, .18); color: var(--primary-color); font-size: 12px; }
.seo-site .prompt button { color: var(--main-color-2); background: var(--seo-card); border: 1px solid var(--seo-line); border-radius: 5px; padding: 4px 12px; font-size: 12px; }
.seo-site .prompt blockquote { margin: 0; padding: 20px; font-size: 15px; line-height: 2; }
.seo-site .reading-layout aside { position: sticky; top: 92px; align-self: start; border: 1px solid var(--seo-line); border-radius: 12px; background: var(--seo-card); padding: 22px; margin-top: 12px; }
.seo-site .reading-layout aside ol { list-style: none; margin: 0; padding: 0; }
.seo-site .reading-layout aside li { font-size: 12px; margin: 14px 0; color: var(--seo-muted); }
.seo-site .back-top { display: block; padding-top: 16px; border-top: 1px solid var(--seo-line); font-size: 12px; color: var(--primary-color); }
.seo-site .try-it { margin-top: 40px; padding: 28px; border: 1px solid rgba(0, 200, 99, .3); border-radius: 12px; background: var(--seo-soft); }
.seo-site .try-it h2 { font-size: 24px; margin: 0 0 10px; }
.seo-site .try-it p { margin: 0 0 20px; color: var(--seo-muted); font-size: 14px; }
.seo-site .related { margin-top: 36px; }
.seo-site .related h2 { font-size: 21px; margin: 0 0 16px; }
.seo-site .related > a { display: flex; justify-content: space-between; gap: 18px; border-top: 1px solid var(--seo-line); padding: 16px 0; font-size: 14px; }
.seo-site .related span { color: var(--primary-color); }
.seo-site .site-footer { border-top: 1px solid var(--seo-line); padding: 34px max(24px, calc((100vw - 1168px) / 2)); background: var(--main-color); font-size: 13px; color: var(--seo-muted); }
.seo-site .footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 24px; }
.seo-site .footer-brand { font-size: 19px; color: var(--main-color-2); font-weight: 600; }
.seo-site .footer-inner p { font-size: 12px; margin: 7px 0; }
.seo-site .footer-inner nav { display: flex; gap: 24px; flex-wrap: wrap; }
.seo-site .copyright { display: block; margin-top: 26px; padding-top: 22px; border-top: 1px solid var(--seo-line); text-align: center; font-size: 11px; }
@media (max-width: 1080px) {
  .seo-site .hero-note { display: none; }
  .seo-site .site-nav { gap: 20px; }
  .seo-site .reading-layout { grid-template-columns: minmax(0, 1fr); }
  .seo-site .reading-layout aside { display: none; }
  .seo-site .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .seo-site .site-header { height: auto; min-height: 64px; padding: 10px 20px; gap: 0 12px; flex-wrap: wrap; }
  .seo-site .brand { font-size: 17px; }
  .seo-site .brand img { width: 34px; height: 34px; }
  .seo-site .header-actions { gap: 10px; }
  .seo-site .header-cta { padding: 7px 12px; font-size: 12px; }
  .seo-site .header-cta span { display: none; }
  .seo-site .site-nav { order: 3; width: 100%; justify-content: space-between; gap: 12px; border-top: 1px solid var(--seo-line); margin-top: 10px; padding-top: 10px; font-size: 12px; }
  .seo-site .container { padding: 0 20px; }
  .seo-site .hero { padding: 42px 0; }
  .seo-site .hero::before { inset: 0 -20px; }
  .seo-site .hero h1 { font-size: 33px; }
  .seo-site .hero > div > p:not(.eyebrow) { font-size: 13px; }
  .seo-site .hero-actions { gap: 10px; }
  .seo-site .primary, .seo-site .secondary { padding: 10px 18px; font-size: 13px; }
  .seo-site .section-heading h2 { font-size: 18px; }
  .seo-site .section-heading p { font-size: 11px; }
  .seo-site .card-grid { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .seo-site .card-copy { padding: 20px; }
  .seo-site .prose { font-size: 15px; }
  .seo-site .prose h2 { font-size: 22px; }
  .seo-site .prompt blockquote { padding: 16px; font-size: 14px; }
  .seo-site .article-meta { font-size: 11px; }
  .seo-site .try-it { padding: 22px; }
  .seo-site .footer-inner { flex-direction: column; align-items: flex-start; }
  .seo-site .footer-inner nav { gap: 20px; font-size: 12px; }
  html { scroll-padding-top: 126px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .seo-site .card { transition: none; }
  .seo-site .card:hover { transform: none; }
}